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Undercoating with mould protective paint

Discussion in 'Decorating and Painting' started by RobbieTheTruth, 9 Nov 2019.

  1. RobbieTheTruth

    RobbieTheTruth

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    Just got a new extension. No major issues in the house but we do have specks of mould on the ceiling in various places in the main house.

    Is it advisable (and affordable) to do a full while undercoat in the extension in an anti-mould paint, then paint over?

    If so, any recommendations?
     
  2. Newboy

    Newboy

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    The mould is most often caused by condensation on the surface. Kill the mould off with a mould removal product and then repaint. Using anti-mould paint as an undercoat doesn't really achieve anything - the mould grows on the surface. Insulation/Heat/ventilation and reducing moisture in the air will eliminate mould be able to grow.
     
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  4. sircerebus666

    sircerebus666

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    Not only like newboy says it wont do diddly squat it would cost you a fortune!
     
  5. opps

    opps

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    I agree with both of the above replies.

    However, when painting smallish bathrooms I specify waterbased eggshell for the ceilings. In the event that the airflow is insufficient, any mould that builds up can be wiped off with a cloth.

    Be advised that applying eggshell over a badly plastered ceiling will make the flaws more obvious than a matt paint will.
     
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